keystone

Phonetic Respelling: [ kee-stohn ]

Definition:

n. 1 a central cohesive source of support and stability; 2 the central building block at the top of an arch or vault

Sentence:

The keystone of his campaign was doing away with the income tax.

More example sentences:

The keystone of his campaign was doing away with the income tax.

Hear it

Where is the location of the keystone block in an archway?

Hear it

Which animal is known as the keystone predator who control the health of the ecosystem?

Hear it

Synonyms:

anchor; mainstay; backbone; linchpin; headstone

Antonyms:

extraneous

Keystone rhymes:

• Two Syllable Rhymes
  • freestone
  •